<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryRef" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="表单名称" prop="formName">
        <el-input
            v-model="queryParams.formName"
            placeholder="请输入表单名称"
            clearable
            @keyup.enter="handleQuery"
        />
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="Search" @click="handleQuery">搜索</el-button>
        <el-button icon="Refresh" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
          <el-dropdown @command="handleAdd">
            <el-button type="primary">
              <el-icon class="el-icon--left"><Plus /></el-icon>新增<el-icon class="el-icon--right"><arrow-down /></el-icon>
            </el-button>
            <template #dropdown>
              <el-dropdown-menu>
                <el-dropdown-item command="route">路由表单</el-dropdown-item>
                <el-dropdown-item command="online">在线表单</el-dropdown-item>
              </el-dropdown-menu>
            </template>
        </el-dropdown>
      </el-col>
      <el-col :span="1.5">
        <el-button
            type="danger"
            plain
            icon="Delete"
            :disabled="multiple"
            @click="handleDelete"
            v-hasPermi="['system:form:remove']"
        >删除</el-button>
      </el-col>
      <right-toolbar v-model:showSearch="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="formList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="65" align="center" />
      <el-table-column label="表单主键" align="center" prop="formId" />
      <el-table-column label="表单名称" align="center" prop="formName" />
      <el-table-column label="表单类型" align="center" prop="formType">
        <template #default="scope">
          <dict-tag :options="form_type" :value="scope.row.formType"/>
        </template>
      </el-table-column>
      <el-table-column label="备注" align="center" prop="remark" show-overflow-tooltip />
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template #default="scope">
          <el-button link type="primary" icon="View" size="small" @click="handleDetail(scope.row)">详情</el-button>
          <el-button link type="primary" icon="Edit" size="small" @click="handleUpdate(scope.row)" v-hasPermi="['system:form:edit']">修改</el-button>
          <el-button link type="primary" icon="Delete" size="small" @click="handleDelete(scope.row)" v-hasPermi="['system:form:remove']">删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination
        v-show="total>0"
        :total="total"
        v-model:page="queryParams.pageNum"
        v-model:limit="queryParams.pageSize"
        @pagination="getList"
    />

    <!-- 系统表单信息 -->
    <el-dialog :title="title" v-model="formOpen" width="60%" append-to-body>
      <el-form ref="formRef" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="表单名称" prop="formName">
          <el-input v-model="form.formName" placeholder="请输入表单名称" />
        </el-form-item>
        <el-form-item label="路由组件" prop="formContent">
          <el-input v-model="form.formContent" @input="formContentChange" placeholder="请输入表单路由名称" />
        </el-form-item>
        <el-form-item label="备注" prop="remark">
          <el-input v-model="form.remark" placeholder="请输入备注" />
        </el-form-item>
        <el-form-item label="表单预览" v-if="form.formContent">
          <component :is="form.formContent" ref="vFormRef"></component>
        </el-form-item>
      </el-form>
      <template #footer>
        <div class="dialog-footer">
          <el-button type="primary" @click="submitForm">确 定</el-button>
          <el-button @click="cancel">取 消</el-button>
        </div>
      </template>
    </el-dialog>

    <!-- 表单详情 -->
    <el-dialog :title="formTitle" v-model="formRenderOpen" width="60%" append-to-body>
      <v-form-render v-if="renderForm" :form-data="formData" ref="vFormRef"/>
      <component v-else :is="formCompName" ref="vFormRef"></component>
    </el-dialog>

  </div>
</template>

<script setup name="Form">
import { listForm, getForm, delForm, addForm, updateForm } from "@/api/flowable/form";
import router from "@/router";

const { proxy } = getCurrentInstance();
const { form_type } = proxy.useDict('form_type');


const formList = ref([]);
const formOpen = ref(false);
const formRenderOpen = ref(false);
const formData = ref({});
const formTitle = ref("");
const loading = ref(true);
const showSearch = ref(true);
const ids = ref([]);
const single = ref(true);
const multiple = ref(true);
const total = ref(0);
const title = ref("");
const vFormRef = ref(null)
// 是否渲染在线表单
const renderForm = ref(true);
// 路由表单组件名称
const formCompName = ref('');

const data = reactive({
  form: {},
  queryParams: {
    pageNum: 1,
    pageSize: 10,
    formName: null,
    formContent: null,
  },
  // 表单校验
  rules: {
    formName: [
      { required: true, message: "表单名称不能为空", trigger: "blur" }
    ],
    formContent: [
      { required: true, message: "表单路由不能为空", trigger: "blur" }
    ]
  },
});

const { queryParams, form, rules } = toRefs(data);

/** 查询流程单列表 */
function getList() {
  loading.value = true;
  listForm(queryParams.value).then(response => {
    formList.value = response.rows;
    total.value = response.total;
    loading.value = false;
  });
}

// 取消按钮
function cancel() {
  formOpen.value = false;
  reset();
}

// 表单重置
function reset() {
  form.value = {
    formId: null,
    formName: null,
    formContent: null,
    formType: null,
    createTime: null,
    updateTime: null,
    createBy: null,
    updateBy: null,
    remark: null
  };
  proxy.resetForm("formRef");
  vFormRef.value = null;
}

/** 搜索按钮操作 */
function handleQuery() {
  queryParams.value.pageNum = 1;
  getList();
}

/** 重置按钮操作 */
function resetQuery() {
  proxy.resetForm("queryRef");
  handleQuery();
}

/** 路由表单变更 */
function formContentChange() {
  proxy.$nextTick(() => {
   vFormRef.value.setFormData({},true);
  })
}

// 多选框选中数据
function handleSelectionChange(selection) {
  ids.value = selection.map(item => item.formId);
  single.value = selection.length !== 1;
  multiple.value = !selection.length;
}

/** 表单配置信息 */
function handleDetail(row) {
  formRenderOpen.value = true;
  formTitle.value = "表单详情";
  if (row.formType === 'online') {
    renderForm.value = true;
    proxy.$nextTick(() => {
      // 回显数据
      vFormRef.value.setFormJson(JSON.parse(row.formContent))
      proxy.$nextTick(() => {
        // 表单禁用
        vFormRef.value.disableForm();
      })
    })
  } else {
    renderForm.value = false;
    formCompName.value = row.formContent;
    proxy.$nextTick(() => {
      vFormRef.value.setFormData({}, true);
    })
  }
}

/** 新增按钮操作 */
function handleAdd(command) {
  if (command === 'online') {
    router.push("/flowable/task/flowForm/index/0");
  } else {
    form.value.formType = command;
    formOpen.value = true;
    title.value = "新增表单";
  }
}

/** 修改按钮操作 */
function handleUpdate(row) {
  if (row.formType === 'online') {
    router.push("/flowable/task/flowForm/index/" + row.formId);
  } else {
    reset();
    getForm(row.formId).then(response => {
      form.value = response.data;
      formOpen.value = true;
      title.value = "修改表单";
      proxy.$nextTick(() => {
        vFormRef.value.setFormData({}, true);
      })
    });
  }
}

/** 提交按钮 */
function submitForm() {
  proxy.$refs["formRef"].validate(valid => {
    if (valid) {
      vFormRef.value.getFormModuleType().then(formData => {
        form.value.formKey = JSON.stringify(formData);
        if (form.value.formId != null) {
          updateForm(form.value).then(response => {
            proxy.$modal.msgSuccess("修改成功");
            formOpen.value = false;
            getList();
          });
        } else {
          addForm(form.value).then(response => {
            proxy.$modal.msgSuccess("新增成功");
            formOpen.value = false;
            getList();
          });
        }
      });
    }
  });
}

/** 删除按钮操作 */
function handleDelete(row) {
  const _formIds = row.formId || ids.value;
  proxy.$modal.confirm('删除后流程任务中无法引用该表单,是否确认删除流程表单编号为"' + _formIds + '"的数据项？').then(function() {
    return delForm(_formIds);
  }).then(() => {
    getList();
    proxy.$modal.msgSuccess("删除成功");
  }).catch(() => {});
}

/** 导出按钮操作 */
function handleExport() {
  proxy.download('system/form/export', {
    ...queryParams.value
  }, `form_${new Date().getTime()}.xlsx`)
}

getList();
</script>
